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FT-250
Yaesu FT-250 Manuals
Manuals and User Guides for Yaesu FT-250. We have
1
Yaesu FT-250 manual available for free PDF download: User Manual
Yaesu FT-250 User Manual (27 pages)
SSB
Brand:
Yaesu
| Category:
Transceiver
| Size: 1.17 MB
Table of Contents
General Specifications
1
Specifications
2
Circuit Description
2
Oscillator Circuits
3
Local Oscillator Mixer Circuit
4
Meter Circuit
4
Carrier Crystal Oscillator
4
VFO Self-Oscillator
4
Voltage Regulator Circuit
5
Front Panel Controls
5
Rear Panel Controls & Connections
7
Operation
8
Set Controls
9
Transmitter Tuning
9
Transmission
10
Ssb
10
Cw
10
Am
10
Alignment
11
Equipment Required
11
Voltage and Resistance Measurement
11
Voltage Regulator
11
Receiver Alignment
12
Heterodyne Crystal Oscillator
12
Calibrator 100 Kc
12
Pre-Mixer
12
Transmitter Alignment
13
I.F. Amplifier
13
Receiver Mixer
13
RF Amplifier
13
Crystal Filter
14
Driver Stage
14
Final Amplifier Neutralization
14
Power Supply with Speaker
16
Receiver SSB Normal
17
Transmit SSB Normal
17
Resistance SSB Normal
17
DC Power Supply
21
Block Diagram
22
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